3.1 Angles and Parallel Lines
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Name all segments parallel to ̅̅̅̅:
Name all segments skew to ̅̅̅̅:
Name all segments intersecting with ̅̅̅̅:
Are segments ̅̅̅̅ and ̅̅̅̅ coplanar? Explain your answer.
Are segments ̅̅̅̅ and ̅̅̅̅ coplanar? Explain your answer.
Name all segments parallel to ̅̅̅̅ :
Name all segments skew to ̅̅̅̅:
Name all segments intersecting with ̅̅̅̅:
Are segments ̅̅̅̅ and ̅̅̅̅ coplanar? Explain your answer.
Are segments ̅̅̅̅ and ̅̅̅̅ coplanar? Explain your answer.
Is each statement true always, sometimes, or never?
6. Two intersecting lines are skew.
7. Two parallel lines are coplanar.
8. Two lines in the same plane are parallel.
9. Two lines that do not intersect are parallel.
10. Two skew lines are coplanar
Classify each pair of angles as alternate interior, same-side interior, corresponding angles, or none of these.
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Classify each pair of angles as alternate interior, same-side interior, corresponding angles, or none of these.
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7 and
3 and
6 and
7 and
4 and
14 and
2 and
2 and
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6
11
11
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16
3
10
State whether the following statements are always, sometimes, or never true:
25. Two coplanar lines are skew.
26. Two intersecting lines are in the same plane.
27. Two lines in the same plane are parallel.